US PATENT SUBCLASS 552 / 109
.~.~ An acyclic alkylene group is bonded directly to nitrogen and to chalcogen, cyano, carbonyl or additional nitrogen (e.g., N-hydroxyalkyl, N cyanoalkyl, N-sulfatoalkyl, aminoalkylamino groups, etc.)

Current as of: June, 1999
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552 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, subclass 1) {11}
101  DF  .~ Acyclic carbon bonded directly to three benzene rings or to two benzene rings and a cyclohexadienyl ring, which acyclic carbon may not be bonded to a fourth carbon (e.g., triphenylmethane dyestuffs, etc.) {12}
109.~.~ An acyclic alkylene group is bonded directly to nitrogen and to chalcogen, cyano, carbonyl or additional nitrogen (e.g., N-hydroxyalkyl, N cyanoalkyl, N-sulfatoalkyl, aminoalkylamino groups, etc.)

DEFINITION

Classification: 552/109

(under subclass 101) Compounds wherein (a) nitrogen and (b) cyano, carbonyl, additional nitrogen, or chalcogen (i.e., oxygen, sulfur, selenium or tellurium) are bonded to the same acyclic alkylene group.

(1) Note. Examples of compounds provided for herein are: [figure]